backlight.c File Reference

#include "backlight.h"
#include <errno.h>
#include <stdio.h>
#include <sysfs/libsysfs.h>

Include dependency graph for backlight.c:

Functions
int	g13_device_get_backlight_rgb (g13_device *device, unsigned *r, unsigned *g, unsigned *b)
	Get the current backlight color as an RGB value.
int	g13_device_set_backlight_rgb (g13_device *device, unsigned r, unsigned g, unsigned b)
	Set the backlight color to the specified RGB value.

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Function Documentation

int g13_device_set_backlight_rgb	(	g13_device *	device,
		unsigned	r,
		unsigned	g,
		unsigned	b
	)

Set the backlight color to the specified RGB value.

Returns:

0 if successful; on failure returns -1 and sets errno

Parameters:

	r	Red value from 0 to 255
	g	Green value from 0 to 255
	b	Blue value from 0 to 255

If r , g or b are greater than 255 they will be set to 255.

References g13_device_get_syspath().

Referenced by g13_device_set_state(), and G13::Device::set_backlight().